Two flows are specified as
A. $u = y, v = -(3/2)x$
B. $u = xy^{2}$, $v = x^{2}y$
Which one of the following can be concluded?
a) Both flows are rotational
b) Both flows are irrotational
c) Flow A is rotational while flow B is irrotational
d) Flow A is irrotational while flow B is rotational